What was the large size of many Pleistocene mammal species due to? What will be an ideal response?
Gigantism may have been an adaptation to cooler temperatures, since large animals have less surface
area to volume and can retain heat more effectively.
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Cyclothems are the same as sequences
a. True b. False
Why is sediment yield an important consideration in a discussion of water supplies?
A) Sediment yield affects the amount of water that is available. B) Water resources and sediment resources are closely intertwined. C) Sediment is a common water pollutant. D) Soil erosion restricts water flow to streams.
The Aral Sea is shrinking due to ________
A) saltwater intrusion B) subsidence C) a large number of dams D) diversion of the rivers that flow into it E) overdrawing the aquifer it is located upon
Because natural gas is less dense than oil, it accumulates on the top of the oil.
Answer the following statement true (T) or false (F)